Madison makes temperature sensors including base-wire, gen purpose epoxy-insulated, reduced tip, mini plug termination, sheathed, and industrial 1/2" NPT thermocouples. Also available are 100 OHM RTD probes with rigid mount, R2 general purpose relays, and more.

Cleveland Electric Laboratories offers thermocouples for temperatures up to 4200F, platinum rhodium elements for reference, standard, and certified materials, platinel II for up to 2300F, and Type C and D tungsten/rhenium elements up to 4200F. Their industrial thermocouple sensors include immersion tips and lance, base metals, plastics industry thermocouples, and more.

Precision measurements offers custom platinum resistance temperature sensors, as well as mineral insulated thermocouples, plastic thermocouples, and connector systems. Their fixed length bayonet type thermocouples include straight, 90 degree, or 45 degree bend, single element types, dual element types, flex hose or spring types, and more.

G&O Thermal Supply sells wall mount temperature sensors and mixed air temp sensors with a negative temperature coeffiecient sensor type. This sensor is for use with a single zone system  and is made by Honeywell. Their wall mount temperature sensor is used with W7100 discharge controllers and has a sensor resistance of 3484 OHM at 77F.

Temperature Specialists sells temperature sensors including thin film platinum, wire wound platinum, transition style, sheath style, and bayonet style types. Their wire-wound platinum types have resistance of 100, 200, 500, or 1000 OHM, while their thin film platinum resistance temperature detectors have a resistance of 100, 500, or 1000 OHM.

Innovative Sensor Technology is an international manufacturer of thin-film sensing devices; RTD temperature sensors, capacitive relative humidity sensors, and thermal mass flow sensors. Established in 1991, IST is an ISO 9001 certified company and is headquartered in Wattwil, Switzerland, with an office in the USA.

Lake Shore makes cryogenic temperature sensors including silicon and GaAlAs diodes; positive temperature co-efficient RTDs in platinum and rhodium-iron models; NTC RTDs in Cernox, Cernox HT, germanium, carbon-glass, and ruthenium oxide; and thermocouples. Their platinum RTDs follow an industry standard curve from 73K to 873K and can be used down to 14K, while their rhodium-iron thin film sensors include wirewound capsule versions.

Fluke makes temperature sensors such as thermocouples, thermistors, and resistance thermometers, including platinum resistance thermometers like secondary standard type, secondary reference type, precision industrial type, fast response PRTs, small diameter industrial PRTs, and full immersion PRTs. Their thermistors run from 0 to 100C and their thermocouples come in R and S type standards from 0 to 1450C.

Honeywell makes temperature sensors including the R300 immersion sensor, an RTD thermistor with a nominal resistance of 100 Ohm at 25C, stainless steel housing, and an overmolded connector with an M14 x 1.50 thread, with an operating temperature range from -40 to 275C. They also offer the 500 series NTC thermistor with air/gas, immersion, surface, and liquid level sensing from -40 to 300C and nominal resistance of 200 to 1,000,000 Ohm.

Thermalogic makes temperature sensors including custom RTDs, thermistors, and thermocouple assemblies ranging from -40 to 250C on the thermistors, -100 to 500C on the platinum RTDs, and -100 to 500C tyle J and type K thermocouples. Their RTDs also feature rugged pt film elements and industry standard or special curve with a choice of element % tolerance.

Durex Industries makes platinum and nickel element resistance temperature detectors including immersion resistance type, melt bolt resistance type, and integrated transmitter RTD assemblies. They also offer IC temperature sensors which operate in a temperature range from -55C to 150C, offering low impedance and linear output.

Sensing Devices, Inc. offers several temperature sensors including platinum wirewound elements, thin film sensors, RTDs, and custom products. Their platinum thin film sensors can assist you from 100 to 1000 Ohms, class "A", "B", 1/3 Din, 1/10 Din elements, and more. They also offer custom probes and sub-assemblies for textiles, food, dairy, aerospace, petrochemical, energy, and HVAC applications.